What are the operating hours of KEAU?

Chippewa Valley Regional Airport operates from 12:00 to 02:00.

What is the tower frequency at KEAU?

The tower frequency at Chippewa Valley Regional Airport is 118.575 MHz.

What fuel is available at KEAU?

Chippewa Valley Regional Airport offers 100LL, Jet A.

Does KEAU require landing permits?

Yes, landing permits are required for Chippewa Valley Regional Airport (United States).

Where is KEAU located?

Chippewa Valley Regional Airport (KEAU) is located in Eau Claire, United States.

What is the IATA code for KEAU?

The IATA code for Chippewa Valley Regional Airport is EAU.

How long is the runway at KEAU?

The main runway at Chippewa Valley Regional Airport (04/22) measures 2469x46m.

Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

Chippewa Valley Regional Airport (KEAU/EAU) — Eau Claire, United States

Chippewa Valley Regional Airport (KEAU/EAU) serves Eau Claire, United States. This is a mid-sized airport with 2 runways (04/22, 14/32). Field elevation is 913 ft AMSL. Data on this page is maintained by the aviation community — contribute to keep it accurate.

This information may contain errors or be outdated. Create a free account to suggest corrections and earn points.

83% Data Complete 43 of 52 points

Missing: Contacts

Section Breakdown

Basic Info 7/7

Runways 4/4

Frequencies 4/4

Operations 2/2

Fuel 1/1

Contacts 0/2

Additional Info 3/10

Observed Activity · Sep 11

18 aircraft observed within 6 NM · busiest hour 00:00Z

2026-08-292026-09-11

Distinct ADS-B aircraft seen within 6 NM below 10,000 ft AGL per UTC day · community-feed coverage varies · not official movement totals

Data last updated: 2026-03-27

Help keep this data accurate!
See a next to a field? Click it to confirm the info is still correct. Recently verified Outdated — please verify

Basic Airport Information

ICAO: KEAU
Name: Chippewa Valley Regional Airport
Type: medium_airport
Category: Domestic
Latitude: 44.865799
Longitude: -91.484299
Elevation: 913 ft
Country: United States
Municipality: Eau Claire
IATA Code: EAU
FAA Code: N/A
FIR: N/A
Timezone: America/Chicago
Distance from City: N/A km
VFR: Yes
IFR: No

Runways

Runway 04/22

Designation: 04/22
Dimensions: 2469x46m
Surface: CON
PCN: N/A
Lighting: Lighted
NAVAIDs: N/A
Approach Types: N/A
Remarks: N/A

Runway 14/32

Designation: 14/32
Dimensions: 1524x30m
Surface: CON
PCN: N/A
Lighting: Lighted
NAVAIDs: N/A
Approach Types: N/A
Remarks: N/A

Frequencies

Tower: 118.575 MHz
Ground: 120.925 MHz
Operations: 122.650 MHz
Traffic/Approach: N/A
ATIS: 119.675 MHz

Operation Hours

Monday 12:00 – 02:00

Tuesday 12:00 – 02:00

Wednesday 12:00 – 02:00

Thursday 12:00 – 02:00

Friday 12:00 – 02:00

Saturday 12:00 – 02:00

Sunday 12:00 – 02:00

Extra Hours On Request: No
Remarks: N/A

Contacts

AIS Tel: N/A
ARO Tel: N/A
MET Tel: N/A
Admin Tel: +1 715-839-6241
Health Tel: N/A
Police Tel: N/A
Authorities Tel: N/A
Website: N/A
Remarks: N/A

Slots / PPR

Slot Required: No
PPR Required: No
PPR Contact: N/A
Remarks: N/A

Fuel Information

Fuel Type: 100LL
Price/L: N/A
Last Updated: N/A
Remarks: N/A

Fuel Type: Jet A
Price/L: N/A
Last Updated: N/A
Remarks: N/A

Immigration

Port of Entry: No
GENDEC Required: No
GAR Required: No
Remarks: N/A

Airport Services

No services listed for this airport yet.

Are you a service provider? Register here to appear in this airport's listing.

United States Permit Requirements

Fast Landing: 1d

Overflight Permit: No
Landing Permit: Conditional
Overflight Lead Time: N/A
Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification

Private / GA Operations:

No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.

View Full United States Permit Details

Active NOTAMs

A2197/26 caution

ILS procedure changed

IAP CHIPPEWA VALLEY RGNL, EAU CLAIRE, WI. RNAV (GPS) RWY 22, AMDT 2... LNAV/VNAV DA 1203/HAT 290 ALL CATS. WHEN LOCAL ALTIMETER SETTING NOT RECEIVED, USE RICE LAKE ALTIMETER SETTING AND INCREASE LPV DA TO 1223 FEET; INCREASE LNAV/VNAV DA TO 1313 FEET AND ALL VISIBILITIES 1/8 SM; INCREASE ALL MDAS 12…

2026-08-26 18:35:00 2028-08-26 18:35:00

09/003 info

OBST TOWER LGT (ASR 1042730) 445221.00N0911822.00W (7.6NM E EAU) 1505.2FT (390.1FT AGL) U/S

2026-09-04 01:16:00 2027-01-02 01:16:00

08/041 info

OBST TOWER LGT (ASR 1035051) 444138.00N0912543.90W (10.6NM SSE EAU) 1306.8FT (256.9FT AGL) U/S

2026-08-29 19:52:00 2026-10-13 19:51:00

+3 more active NOTAMs

View all NOTAMs on Map

Nearby Airports

7WI0 Turkey Bluff Airport 91 NM KCJJ Ellen Church Field 94 NM Y01 Waukon Municipal Airport 95 NM KDEH Decorah Municipal Airport 96 NM IA62 Matthias Field 96 NM WS51 Leeward Farm Airport 97 NM WS91 Sky Hollow Airport 106 NM IA45 Dale Delight Airport 107 NM

Compare KEAU with 7WI0 side by side →

Airport History

Discover the key milestones and historical events that shaped Chippewa Valley Regional Airport. Our community-powered timeline traces this airport's journey from its origins to the present day.

Explore History

Frequently Asked Questions

What are the operating hours of KEAU?: Chippewa Valley Regional Airport operates from 12:00 to 02:00.
What is the tower frequency at KEAU?: The tower frequency at Chippewa Valley Regional Airport is 118.575 MHz.
What fuel is available at KEAU?: Chippewa Valley Regional Airport offers 100LL, Jet A.
Does KEAU require landing permits?: Yes, landing permits are required for Chippewa Valley Regional Airport (United States).
Where is KEAU located?: Chippewa Valley Regional Airport (KEAU) is located in Eau Claire, United States.
What is the IATA code for KEAU?: The IATA code for Chippewa Valley Regional Airport is EAU.
How long is the runway at KEAU?: The main runway at Chippewa Valley Regional Airport (04/22) measures 2469x46m.

View on Map